diff --git a/tests/$shared.ts b/tests/$shared.ts
index ea8c9a5d..ae27545d 100644
--- a/tests/$shared.ts
+++ b/tests/$shared.ts
@@ -220,6 +220,35 @@ export const test = createTestFn();
 
 //===
 
+// [`bmp`](https://deno.land/x/bmp@v0.0.7); install (for Deno-v1.11+/std@0.98.0) <br> `dxi --allow-read=. --allow-write=. --allow-run=git -qf https://deno.land/x/bmp@v0.0.7/cli.ts`
+
+export const haveBmpVersion = () => {
+	try {
+		// deno-lint-ignore no-deprecated-deno-api
+		const process = Deno.run({
+			cmd: [...(isWinOS ? ['cmd', '/x/d/c'] : []), 'bmp', '--version'],
+			stdin: 'null',
+			stderr: 'null',
+			stdout: 'piped',
+		});
+		return Promise
+			.all([process.status(), process.output()])
+			.then(([status, out]) => {
+				// console.debug({ status: status, out: decode(out) });
+				return (status.success
+					? ((decode(out)?.match(/(?:^|@)(\d+(?:[.]\d+)+)/) || [])[1])
+					: undefined);
+			})
+			.finally(() => process.close());
+	} catch (_) {
+		return Promise.resolve(undefined);
+	}
+};
+
+export const haveBmp = () => {
+	return haveBmpVersion().then((version) => version != null);
+};
+
 // [`commitlint`](https://commitlint.js.org); install (for NodeJS v12+): `npm -g install @commitlint/cli@16 @commitlint/config-conventional@16`
 
 export const haveCommitLintVersion = () => {
diff --git a/tests/00.project.style.test.ts b/tests/00.project.style.test.ts
index fd054d11..a6834e0f 100644
--- a/tests/00.project.style.test.ts
+++ b/tests/00.project.style.test.ts
@@ -7,6 +7,7 @@
 // import { $colors } from './$deps.ts';
 import { $args, $path, assert, assertEquals, equal } from './$deps.ts';
 import {
+	haveBmp,
 	haveCommitLint,
 	haveCSpell,
 	haveCSpellVersion,
@@ -137,6 +138,34 @@ const projectNonBinaryFiles = projectFiles.filter((file) =>
 // console.warn({ projectFiles, projectDirs });
 // console.warn({ projectPath, projectDirs });
 
+{
+	// ToDO: [2023-10-10; rivy] deal with CWD != projectPath
+	const command = 'bmp';
+	const haveCommand = await haveBmp();
+	const exeArgs = ['--info'];
+	const exeCmd = [command, ...exeArgs].join(' ');
+	const cmd = [...(isWinOS ? ['cmd', '/x/d/c'] : []), exeCmd];
+	const description = `style ~ \`${exeCmd}\``;
+	if (!haveCommand) {
+		test.skip(description + `...skipped (\`${command}\` not found)`);
+	} else {
+		test(description, async () => {
+			// deno-lint-ignore no-deprecated-deno-api
+			const p = Deno.run({ cmd, stdin: 'null', stdout: 'piped', stderr: 'piped' });
+			const [status, out, err] = await Promise
+				.all([p.status(), p.output(), p.stderrOutput()])
+				.finally(() => p.close());
+			// console.debug({ status, stdout: decode(out), stderr: decode(err) });
+			if (!status.success) {
+				console.warn(`\`${command}\` status`, status);
+				console.warn(decode(out).replace(/\r?\n$/ms, ''));
+				console.warn(decode(err).replace(/\r?\n$/ms, ''));
+			}
+			assert(status.success, `\`${command}\` check succeeds`);
+		});
+	}
+}
+
 {
 	// ToDO: [2023-10-03; rivy] add `--cwd <projectPath>` to commitlint command (as needed, if CWD != projectPath)
 	// ToDO: [2023-10-03; rivy] check for correct configuration; present and working config file (including plugins; may use `commitlint --config .commitlint.config.js --print-config`)